A A category 10" Silicone Graffiti By WENEED Height: 10" Bowl Joint : 14mm Female Includes : Bowl Piece Glow in the dark No need to worry! The silicone we use is non-toxic, food-grade silicone, and heat resistant. It also comes with a bowl piece made from borosilicate glass that is made for smoking creating a divide between the heat and the silicone. You can also easily disassemble this unique water pipe to reach the hard-to-reach areas and thoroughly clean this beauty.